Validation rules

BR-DEC-24 — EN 16931 rule

A line-level allowance amount (BT-136) has more than 2 decimal places.

Rule: BR-DEC-24 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-136 — Line allowance amount
Field in your JSON: invoice.lines[*].allowances

How to fix it

Round the line allowance's amount to 2 decimals.

BR-DEC-24 auf Deutsch — was bedeutet der Fehler?

Ein Nachlassbetrag auf Positionsebene (BT-136) hat mehr als 2 Nachkommastellen.

So beheben Sie den Fehler

Runden Sie den amount des Positionsnachlasses auf 2 Nachkommastellen.

Related rules

BR-41 — An invoice line allowance (BG-27) has no allowance amount (BT-136).
BR-DEC-25 — A line-level allowance base amount (BT-137) has more than 2 decimal places.
BR-DEC-23 — An invoice line net amount (BT-131) uses more than 2 decimal places — EN 16931 allows at most 2.
BR-DEC-27 — A line-level charge amount (BT-141) has more than 2 decimal places.
BR-DEC-28 — A line-level charge base amount (BT-142) has more than 2 decimal places.
BR-DEC-20 — A VAT category tax amount (BT-117) uses more than 2 decimal places — EN 16931 allows at most 2.

Official sources

Every 422 from the API lists the rule id, the path in your request JSON, a plain-language message and a suggested fix — see the docs overview for the report format.

Or try it live: drop any XRechnung XML on the free validator — same KoSIT-backed report, no account.